my gentoo make.conf for binary install

make.conf

# These settings were set by the catalyst build script that automatically
# built this stage.
# Please consult /usr/share/portage/config/make.conf.example for a more
# detailed example.
COMMON_FLAGS="-march=x86-64 -mtune=generic -O2 -pipe"
CFLAGS="${COMMON_FLAGS}"
CXXFLAGS="${COMMON_FLAGS}"
FCFLAGS="${COMMON_FLAGS}"
FFLAGS="${COMMON_FLAGS}"

# NOTE: This stage was built with the bindist Use flag enabled

# USE flags
USE="dist-kernel"

# portage
MAKEOPTS="-j12"
EMERGE_DEFAULT_OPTS="--ask --verbose=y --with-bdeps=y --load-average --getbinpkg"
FEATURES="binpkg-request-signature"

# Accept
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"

# This sets the language of build output to English.
# Please keep this setting intact when reporting bugs.
LC_MESSAGES=C.utf8

# Language
L10N="en-US zh-CN en zh"
LINGUAS="en_US zh_CN en zh"

# VIDEO
VIDEO_CARDS="intel i965 nvidia"

# GRUB
GRUB_PLATFORMS="efi-64"